package com.study.springboot.controller.config;

import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.authentication.configurers.provisioning.InMemoryUserDetailsManagerConfigurer;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

@EnableWebSecurity
public class MySecurityConfig extends WebSecurityConfigurerAdapter{
    @Override
    protected void configure(HttpSecurity http) throws Exception {
//        super.configure(http);
        //定制请求的授权规则
        http.authorizeRequests().antMatchers("/").permitAll()
                .antMatchers("/level1/**").hasRole("VIP1")
                .antMatchers("/level2/**").hasRole("VIP2")
                .antMatchers("/level3/**").hasRole("VIP3");
        //开启自动配置的登录功能 效果：如果没有登录，没有权限就会来到登录页面
        http.formLogin().usernameParameter("user").passwordParameter("pwd").loginPage("/userlogin");
        //1./login来到登录页
        //2.重定向到/login/error表示登录失败
        //3.另外还有更多详细规则
        //4.默认post形式的/login代表处理登录,携带的用户名和密码对应name是username和password
        //5.一旦定制loginPage，那么定制的/userlogin的post请求就是登录

        //开启自动配置的注销功能
        http.logout().logoutSuccessUrl("/"); //注销成功来到首页
        //1.访问/logout表示用户注销，清空session
        //2.注销成功会返回/login?logout页面

        //开启记住我功能
        http.rememberMe().rememberMeParameter("remember");
        //登录成功后，将cookie发给浏览器保存，以后访问页面带上这个cookie只要通过检查就可以免登录
        //点击注销会给cookie的maxage赋值为0删除cookie
    }

    //定义认证规则
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
//        super.configure(auth);
        auth.inMemoryAuthentication().passwordEncoder(new BCryptPasswordEncoder())
                .withUser("zhangsan").password(new BCryptPasswordEncoder().encode("123456")).roles("VIP1","VIP2")
                .and()
                .withUser("lisi").password(new BCryptPasswordEncoder().encode("123456")).roles("VIP2","VIP3")
                .and()
                .withUser("wangwu").password(new BCryptPasswordEncoder().encode("123456")).roles("VIP1","VIP3");
    }
}
